Director Sam Taylor Wood has cemented her relationship with her teenage fiance - she's pregnant with the couple's first child.The pair met when Taylor Wood cast 19-year-old Aaron Johnson as the lead in her new John Lennon biopic Nowhere Boy. They subsequently began dating and announced their engagement in October (09) - and now Taylor Wood, 42, has confirmed she is expecting a baby. A spokesperson for the couple tells Britain's Evening Standard newspaper, "We can confirm that Sam is pregnant with her and Aaron's first child. Both are very, very happy." Taylor Wood has two daughters, Angelica, 12, and three-year-old Jessie from her marriage to art dealer Jay Jopling.